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Twitchell Island is an
Twitchell Island is an island
An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...
in the Sacramento-San Joaquin River Delta in Sacramento County, California
Sacramento County () is a County (United States), county located in the U.S. state of California. As of the 2020 United States census, the population was 1,585,055. Its county seat is Sacramento, California, Sacramento, which has been the List ...
, southwest of Sacramento
Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...
. At below sea level
This is a list of places on land below mean sea level.
Places artificially created such as tunnels, mines, basements, and dug holes, or places under water, or existing temporarily as a result of ebbing of sea tide etc., are not included. Places ...
, the is bounded on the north by Seven Mile Slough, on the east and south by the San Joaquin River
The San Joaquin River ( ; ) is the longest river of Central California. The long river starts in the high Sierra Nevada and flows through the rich agricultural region of the northern San Joaquin Valley before reaching Suisun Bay, San Francis ...
, and on the west by Three Mile Slough. The island is entirely within the Rio Vista Gas Field, although well pads and associated infrastructure make up only a small part of its land use. It is managed by Reclamation District 1601.
Twitchell is eighty-five percent owned by the State of California.
Twitchell Island is the site of an experiment being conducted by the U.S. Geological Survey to study whether growing tules and cattails on the sinking islands of the Sacramento Delta can reverse the soil loss caused by wind, rain and farming. The soil under the site has risen since the project started in 1996. The plants not only help rebuild the level of the soil, but sequester quite a bit of carbon as well.
See also
*List of islands of California
This list of islands of California is organized into sections, generally arranged from north to south. The islands within each section are listed in alphabetical order.
The Geographic Names Information System (GNIS) lists 527 named islands in th ...
References
Bibliography
*External links
* Islands of the Sacramento–San Joaquin River Delta Islands of Northern California Islands of Sacramento County, California {{SacramentoCountyCA-geo-stub